Home / 690,827.10-1,036,240.65-410,199.90

Finding the Fourth Proportional to 690,827.10, 1,036,240.65 and 410,199.90

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Solution

The fourth proportional to 690,827.10, 1,036,240.65 and 410,199.90 is: 615,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,827.10 : 1,036,240.65 = 410,199.90 : x
  2. Step 2: Convert to fraction form
    690,827.10/1,036,240.65 = 410,199.90/x
  3. Step 3: Cross multiply
    690,827.10x = 1,036,240.65 × 410,199.90
  4. Step 4: Simplify right side
    690,827.10x = 425,065,811,005.94
  5. Step 5: Solve for x
    x = 425,065,811,005.94/690,827.10
  6. Step 6: Final answer
    x = 615,299.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.